Oil Flowmeters | McMaster-Carr

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Oil

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Warning: Products have one, but not necessarily all, of the selected characteristics.

	Pipe Size Pipe Size

	Thread Type Thread Type

NPT

NPTF

	Connection Style Connection Style


Threaded	Barbed

	Flow Measurement Scale Flow Measurement Scale

Gallons per Minute

Liters per Minute

	Body Material Body Material

	Maximum Pressure Maximum Pressure

	Mounting Orientation Mounting Orientation

Vertical

Horizontal

Any Position

	Connection Type Connection Type


Pipe	Tube

	Maximum Temperature Maximum Temperature

	For Tube ID For Tube ID

1/4"

1/4"-3/8"

	Direction of Flow Direction of Flow

	Display Type Display Type


Scale	Digital

	Mounting Location Mounting Location

Inline

Panel

Insertion

	Gender Gender

Female

Male

	Indicator Type Indicator Type

	Seal Material Seal Material

Rubber

Stainless Steel

Plastic

	Minimum Temperature Minimum Temperature

	End-to-End Length End-to-End Length

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Volume Measurement Scale Volume Measurement Scale

Liters

Ounces

Gallons

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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187 Products

Flow Monitoring

High-Pressure Flowmeters for Oil

Designed for more than 10 times the pressure of standard flowmeters for oil, these are rated for pressures up to 3,500 psi.

Flowmeters for Oil

Measure the flow rate of hydraulic and motor oil.

High-Temperature Flowmeters for Oil

With double the temperature rating of standard flowmeters for oil, these can be used with oil up to 400° F.

Flowmeter/Totalizers for Oil and Fuel

Use with oil, gasoline, diesel fuel, and kerosene.

Totalizers for Oil

Designed for use with light oils.

Flow Sights with Indicator for Water and Oil

The indicator moves when flow is present, so it’s easy to visually confirm flow from a distance.

Flow Sights for Water and Oil

Often used in cooling, lubrication, and process systems.

Compact Flow Sights with Indicator for Water and Oil

For visual confirmation of flow from a distance, these sights have a ball indicator that moves when flow is present.

Compact Flow Sights for Water and Oil

The low-profile body fits in areas with limited clearance.

Full-View Flow Sights with Indicator for Water and Oil

A ball indicator increases the visibility of flow for checking at a distance.

Full-View Flow Sights for Water and Oil

A large tubular window provides an unobstructed view of liquid color, clarity, and movement from multiple angles.

High-Temperature Flow Sights for Water and Oil

Withstand twice the temperature of standard sights. These are rated for temperatures up to 400° F.

High-Pressure Flow Sights for Water and Oil

Rated for more than double the pressure of standard flow sights, these can withstand pressures up to 400 psi.

Flow Sights with Barbed Fittings
for Water, Oil, Air, and Inert Gas

Barbed fittings slide into soft plastic and rubber tubing.

Panel-Mount Flow Sights for Water, Oil, and Inert Gas

The included mounting ring lets you install these sights in instrument panels.

Flow Switches

Compact Flow Switches for Oil

The metal body can withstand oil.

Adjustable Flow Switches for Water and Oil

An adjustment screw lets you alter the set point to suit your application.

Flow Switches for Water and Oil

Designed for applications with consistent flow, these switches have a fixed set point.

Washdown Flow Switches for Water and Oil

For protection from dirt, washdowns, and corrosion, these switches have an enclosure that meets NEMA 4X.

Hazardous Location Insertion Flow
Switches for Water, Oil, Air, and Inert Gas

For installation in environments with flammable gases and combustible dust, these flow switches are UL listed for use in hazardous locations.